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IEC TR 61800-6:2003

Adjustable speed electrical power drive systems - Part 6: Guide for determination of types of load duty and corresponding current ratings

71,89 € 

IEC 61800-4:2002

Adjustable speed electrical power drive systems - Part 4: General requirements - Rating specifications for a.c. power drive systems above 1 000 V a.c. and not exceeding 35 kV

328,64 € 

IEC 61800-1:1997

Adjustable speed electrical power drive systems - Part 1: General requirments - Rating specifications for low voltage adjustables speed d.c. power drive systems

328,64 €